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Labo-Stirrer 

 

Model LR500A/500B 

 

Instruction Manual 

 

 

First Edition

 

 
 
 

 

● 

Thank  you  for  choosing  LR  series  Stirrers  by 

Yamato Scientific Co., Ltd. 

● 

For  proper  equipment  operation,  please  read  and 

become thoroughly familiar with this instruction manual 

before use. Always keep equipment documentation safe 

and close at hand for convenient future reference. 

Warning

:    Read instruction manual warnings and 

cautions carefully and completely 

before proceeding.

 

 

 

 

 

Yamato Scientific America Inc

 

Santa Clara

CA

 

 

 

Printed on recycled paper

 

 

Summary of Contents for LR500 Series

Page 1: ...nt operation please read and become thoroughly familiar with this instruction manual before use Always keep equipment documentation safe and close at hand for convenient future reference Warning Read instruction manual warnings and cautions carefully and completely before proceeding Yamato Scientific America Inc Santa Clara CA Printed on recycled paper ...

Page 2: ...rom accident Negligence of the warning may result in a serious accident of operators To protect the LABO STIRRER from damage Negligence of this warning may result in a damage of the LAMO STIRRER This warning gives you also a tip on performance which is useful in operation and maintenance of the LABO SEIRRER or indicates the common mistakes that operators often make Danger Caution ...

Page 3: ... NAME AND FUNCTION OF EACH PART 4 INSTALLATION AND PREPARATION BEFORE OPERATION 6 OPERATION 7 MAINTENANCE 8 AFTER SALE SERVICE AND WARRANTY 9 TROUBLESHOOTING 10 SPECIFICATIONS 11 WIRING DIAGRAM 12 REPLACING PART TABLE 13 OPTIONAL ACCESSORIES 14 REFERENCE DATA 15 ...

Page 4: ...al Tachometer You can easily set and confirm the revolving speed 4 Torque Monitor Load applied on the stirring shaft can be monitored Load condition is indicated in LED two steps Overload LED Red blinks when allowable load is exceeded and it is lit up and the motor is automatically stopped when the load is further increased 5 Revolving Speed Feed Back Control System LABO STIRRER can always keep th...

Page 5: ...power plug to a receptacle with grounding connectors If no grounding terminal is available the oven needs Type Ⅲ Grounding Work for power supply Contact our sales representative in your vicinity or our service center for the work Choose a proper place for installation Don t install the oven in the place where Inflammable gas or corrosive gas is generated Ambient temperature exceeds 35 Ambient temp...

Page 6: ...LABO STIRRER Unauthorized modification will cause hazard to operators and trouble of the LABO STIRERR Install the LABO STIRRER at leveled place Installation at undulating or inclined place will cause hazard to operators and trouble of the LABO STIRERR during stirring ...

Page 7: ...AME AND FUNCTION OF EACH PART External View Support Stirring shaft Frame Stirring propeller Fixing knob Chunk Support fixing boss Plug Support cap Speed control knob Main body Display panel Arm Fuse Clamp ...

Page 8: ...lay Ex 300rpm Torque Monitor Green First step Approx 33 and more load Second step Approx 66 and more load Revolving Speed Display Ex 300rpm Torque Monitor Red Blinking Overload operation condition Lighting Overload stopping condition Revolving Speed Display Ex 1200 rpm ...

Page 9: ...3 Screw the stirring propeller into the stirring shaft and insert the stirring shaft into the chuck then fix it so as fastening at three chuck holes to be equal by the chuck handle Danger Choose a receptacle with grounding connectors not to get electric shock If there are only bipolar receptacle available in your workshop connect an optional grounding adapter to the oven s power plug and connect t...

Page 10: ...all However it is lit up from the left side green as load is increased When it becomes over the load the red lamp right end blinks and revolving speed is decreased If the load is further increased the red lamp is lit up and the operation is stopped Caution If the speed control knob is turned clockwise rapidly set revolving speed may be exceeded however it is not trouble since it may become to the ...

Page 11: ...he receptacle or turn OFF the breaker on the distribution board Don t disassemble the unit When you remove dirt or stain from the unit s resin parts and the control panel use soft wet cloths Don t use benzene thinner cleanser and hard brush which will cause deformation qualitative deterioration or discoloring of those components ...

Page 12: ...anty card Check the name of the shop from which you purchased to the unit and the date of your purchase Keep the warranty card in a safe place after reading its contents carefully Warranty period is 1 one year after the date of your purchase During this warranty period we will offer free repair service on the basis of the conditions provided on the warranty card If you need repair service after ex...

Page 13: ...tribution board Check if it is power failure Check if the fuse is proper The display panel is lit up however the shaft does not revolve Check if it operated in the overload condition In this case leave it for some time start it again Vibration is severe Check if the stirring shaft is set correctly Revolving speed does not increase The shaft stops soon Check if the viscosity of the solution is prop...

Page 14: ...play Digital 3 columns Digital 3 columns 10 Torque Display LED two step display Overload display Motor DC brushless motor 70W 100W Revolving Control Speed feed back control Working Shaft φ10 mm Safety Mechanism Overload stopping Revolving Mechanism Direct drive system External Dimensions 164 W 252 D 174 H excluding arm Weight 4 2 kg 4 0 kg Rated Power AC115V 2 1A AC115V 2 6A ...

Page 15: ...arks K1 Control board K2 Display board P Power plug F Fuse VR Volume Volume with switch S Switch M Motor J1 Jumper J2 Jumper FM Cooling fan LR500A X Relay Jumper Connecting Method by Model Model Jumper J1 J2 LR500A LR500B CLOSE OPEN AC115V ...

Page 16: ...LR5000104 Yamato Scientific K2 Display Board LR4000112 Yamato Scientific P Power Plug LR4000113 T1 3a Yamato Scientific VR Volume with Switch LR4000117 RV24YN20F MF Teikoku Communication Industry M Motor LR500A LR5000101 Yamato Scientific LR500B LR5000103 Yamato Scientific F Fuse LR4000116 φ5 2 20 mm 3 A FM Cooling Fan LR4000123 109 180 ...

Page 17: ...lade diameter 100 28 mm 000141 Blade for narrow port Revolving diameter 45 mm 000141 Glass blade Blade diameter 60 mm 000141 Turbine with disc Blade diameter 100 60 mm 000141 Turbine with disc for two steps Blade diameter 60 mm 000141 Stirring shaft 800 L 10 O D mm 000141 Water tank mounting fitting 231032 Auxiliary stirrer 231096 Low pressure stirrer Grinding type 24 40 231097 Grinding type 29 40...

Page 18: ... four blades Following beakers are used 10 liter beaker for 8 liter stirring volume 5 liter beaker for 4 liter stirring volume 3 liter beaker for 2 liter stirring volume 1 liter beaker for 0 5 liter stirring volume Unit of viscosity 1Pa s 3 10 cP Judge the stirring condition by visual inspection ...

Page 19: ...00 series units which are not expressly mandated by this manual Doing so may result in equipment malfunction serious personal injury or death Notice Instruction manual descriptions and specifications are subject to change without notice Yamato Scientific Co Ltd will replace flawed instruction manuals pages missing pages out of order etc upon request Instruction Manual Stirrer LR500A 500B First Edi...

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